google.load('visualization', '1.0', {'packages':['corechart']});
google.setOnLoadCallback(function(){
  var data = new google.visualization.DataTable();
       data.addColumn('string', '日');
       data.addColumn('number', '推測');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', '推測');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', 'iOS前月');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', 'iOS当月');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addRows([
        ['1日',null,null,null,null,null,null,8,null,null,4,null,null],
['2日',null,null,null,null,null,null,24,null,null,15,null,null],
['3日',null,null,null,null,null,null,22,'UP!','期間限定キャラ「ペコリーヌ（ニューイヤー）」ピックアップガチャ: 01/03 → 01/12',18,null,null],
['4日',null,null,null,null,null,null,9,null,null,33,null,null],
['5日',null,null,null,null,null,null,13,null,null,56,null,null],
['6日',null,null,null,null,null,null,22,null,null,67,null,null],
['7日',null,null,null,null,null,null,31,null,null,66,null,null],
['8日',null,null,null,null,null,null,40,null,null,70,null,null],
['9日',null,null,null,null,null,null,51,null,null,69,null,null],
['10日',null,null,null,null,null,null,54,null,null,60,'UP!','キャラピックアップ プライズガチャ: 02/10 → 02/15'],
['11日',null,null,null,null,null,null,53,null,null,21,null,null],
['12日',null,null,null,null,null,null,44,'UP!','復刻限定キャラピックアップ「キャル（ニューイヤー）」、「コッコロ（ニューイヤー）」プライズガチャ: 01/12 → 01/17',48,null,null],
['13日',null,null,null,null,null,null,6,null,null,80,null,null],
['14日',null,null,null,null,null,null,9,null,null,110,null,null],
['15日',null,null,null,null,null,null,20,null,null,95,'UP!','3rd Anniversaryガチャ 新キャラ「シェフィ」登場: 02/15 → 02/23'],
['16日',null,null,null,null,null,null,33,null,null,49,null,null],
['17日',null,null,null,null,null,null,32,'UP!','復刻限定キャラピックアップ「ユイ（ニューイヤー）」、「ヒヨリ（ニューイヤー）」プライズガチャ: 01/17 → 01/22',3,null,null],
['18日',null,null,null,null,null,null,17,null,null,9,null,null],
['19日',null,null,null,null,null,null,27,null,null,17,null,null],
['20日',null,null,null,null,null,null,50,null,null,26,null,null],
['21日',null,null,null,null,null,null,69,null,null,23,null,null],
['22日',null,null,null,null,null,null,69,'EV','正月ネネカ: 01/22 → 01/31',19,null,null],
['23日',null,null,null,null,null,null,1,null,null,18,'UP!','新キャラ「カスミ（サマー）」登場！ピックアップガチャ: 02/23 → 02/28'],
['24日',null,null,null,null,null,null,1,null,null,13,null,null],
['25日',null,null,null,null,null,null,6,null,null,16,null,null],
['26日',null,null,null,null,null,null,9,null,null,22,null,null],
['27日',null,null,null,null,null,null,9,null,null,35,null,null],
['28日',null,null,null,null,null,null,16,null,null,35,'UP!','プリンセスフェスガチャ: 02/28 → 03/03'],
['29日',null,null,null,null,null,null,24,null,null,null,null,null],
['30日',null,null,null,null,null,null,27,null,null,null,null,null],
['31日',null,null,null,null,null,null,21,'UP!','期間限定キャラ「コッコロ（儀装束）」ピックアップガチャ: 01/31 → 02/10',null,null,null]
        ]);
  var options = {
    chartArea: {'width':'85%', 'height':'65%', 'left':60 },
    'pointSize': 3,
    hAxis: { titleTextStyle:{italic:false}, format:'#',ticks: [1,5,10,15,20,25,30] },
    vAxis: { title:'2021年2月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:150},direction:-1 },
    legend: {position: 'top' },
    tooltip: { trigger: 'both' },
    focusTarget: 'category',
    colors:['skyblue','pink','#2980b9','#e74c3c']
  };

  var chart = new google.visualization.LineChart(document.getElementById('graphField'));
  chart.draw(data, options);

  var lastlogday=28 -1 ;
  var lastlogcat=10;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});